Sanyo CMH3172 Support Question
Sanyo CMH3172 Support Question
Find answers below for this question about Sanyo CMH3172 - 30,600 BTU Ductless Multi-Split Air Cond/Heat Pump.Need a Sanyo CMH3172 manual? We have 1 online manual for this item!
Question posted by brockemail on March 25th, 2015
Cm3172 Vs Cmh3172
what is the difference in these units and are the control boards interchangeable?
Current Answers
Answer #1: Posted by TechSupport101 on March 28th, 2015 6:31 AM
TechSupport101
Member since:
May 24th, 2013 Points: 12,171,285
Member since:
May 24th, 2013 Points: 12,171,285
CM3172's control PCB part# CB-CM2572
CMH3172's control PCB part# CB-CMH3172
Sadly not interchangeble
Related Sanyo CMH3172 Manual Pages
Service Manual - Page 1
TECHNICAL & SERVICE MANUAL
OUTDOOR UNIT : CM1972 CM2472 CM3172
FILE NO.
Destination: North America
DC INVERTER MULTI-SYSTEM AIR CONDITIONER
Capacity at 230V 19,700 BTU/h 25,400 BTU/h 30,600 BTU/h
Outdoor Model No. REFERENCE NO. SM700666-04 CM1972 CM2472 CM3172
Product Code No. 1 852 330 27 1 852 330 28 1 852 330 29
CM1972 CM2472
< Applicable Indoor Units >
●Wall mounted type ...
Service Manual - Page 4
APPLICABLE INDOOR UNITS
Indoor Unit Multi-Outdoor Unit
KMS0772
3-Room
CM1972
YES
4-Room
CM2472
YES
4-Room
CM3172
YES
KMS0972
YES YES YES
KMS1272
YES YES YES
KMS1872
YES YES YES
KMS2472
NO YES YES
NOTE The table lists the wall-mounted type of indoor units as representative models.
4
Service Manual - Page 6
... Indoor Units Number of Operatable Indoor Units Voltage Rating
Performance
Electrical Rating
Total Capacity
Sensible Capacity Latent Capacity Air Circulation (High) Available Voltage Range Running Amperes Power Input Power Factor EER SEER Compressor Locked Rotor Amperes Fuse or Circuit Breaker Capacity
BTU/h kW
BTU/h BTU/h ft3/min (m3/h)
V A W
% BTU/h/W BTU/Wh
A A
Features
Control
Fan...
Service Manual - Page 7
... Indoor Units Number of Operatable Indoor Units Voltage Rating
Performance
Electrical Rating
Total Capacity
Sensible Capacity Latent Capacity Air Circulation (High) Available Voltage Range Running Amperes Power Input Power Factor EER SEER Compressor Locked Rotor Amperes Fuse or Circuit Breaker Capacity
BTU/h kW
BTU/h BTU/h ft3/min (m3/h)
V A W
% BTU/h/W BTU/Wh
A A
Features
Control
Fan...
Service Manual - Page 8
... Indoor Units Number of Operatable Indoor Units Voltage Rating
Performance
Electrical Rating
Total Capacity
Sensible Capacity Latent Capacity Air Circulation (High) Available Voltage Range Running Amperes Power Input Power Factor EER SEER Compressor Locked Rotor Amperes Fuse or Circuit Breaker Capacity
BTU/h kW
BTU/h BTU/h ft3/min (m3/h)
V A W
% BTU/h/W BTU/Wh
A A
Features
Control
Fan...
Service Manual - Page 9
... Indoor Units Number of Operatable Indoor Units Voltage Rating
Performance
Electrical Rating
Total Capacity
Sensible Capacity Latent Capacity Air Circulation (High) Available Voltage Range Running Amperes Power Input Power Factor EER SEER Compressor Locked Rotor Amperes Fuse or Circuit Breaker Capacity
BTU/h kW
BTU/h BTU/h ft3/min (m3/h)
V A W
% BTU/h/W BTU/Wh
A A
Features
Control
Fan...
Service Manual - Page 10
... (kg) Ibs (kg)
cu.ft (m3)
< 230V >
4-Room Multi Outdoor Unit
4
4
230V Single-Phase 60Hz
Cooling 30,600 ( 9,800 to 30,600 )
9.00 ( 2.90 to 9.00 ) 25,800 4,800
1,942 (3,300) 187 to the "Unit Combination Tables" in performance section and electrical rating section above are : Cooling : Indoor air temp. 80°F D.B./ 67°F W.B.
Rating conditions are based...
Service Manual - Page 11
....ft (m3)
< 208V >
4-Room Multi Outdoor Unit
4
4
208V Single-Phase 60Hz
Cooling 28,600 ( 9,800 to 28,600 )
8.40 ( 2.90 to 8.40 ) 24,200 4,400
1,942 (3,300) 187 to the "Unit Combination Tables" in performance section and electrical rating section above are : Cooling : Indoor air temp. 80°F D.B./ 67°F W.B. Outdoor Unit CM3172
Indoor Unit KMS0972 × 4
Type Number...
Service Manual - Page 21
... Unit CM3172
Indoor unit
Wide tube O.D.3/8"
O.D.3/8"
O.D.1/2"
O.D.1/2"
Service valve on narrow tube
DN
Electric expansion valve
M
CN
M
BN
M
AN
M
Strainer
Header
Heat exchanger
Compressor
Cooling cycle
Insulation of Refrigerant Tubing
IMPORTANT
Because capillary tubing is used in the outdoor unit, both tubes must be a min.5/16"(8 mm). The thickness of this air conditioner...
Service Manual - Page 38
Rating conditions (#) : Indoor Unit Entering Air Temp. 80 °F (26.7 °C) D.B. / 67 °F (19.4 °C) W.B.
: Outdoor Ambient Temp. 95 °F (35 °C) D.B.
2. TEMP. °F (°C)
W.B. Above data does not take Freeze Prevention Protection during cooling operation into account. D.B.
30,600 BTU/h
65 (18.3) TC 31,170
AIR FLOW RATE:
OUTDOOR AMBIENT TEMP. °F (°C)...
Service Manual - Page 42
... of CM3172 and the values are different from the other models. Positioning of the outdoor unit electric expansion valve is ON.
If automatic operation mode has been selected with the remote controller, operation begins in parentheses are an example of automatic COOL operation. Depending on the operational mode, refer to the indoor and outdoor unit control...
Service Manual - Page 47
... electronic circuits. For example, if the outdoor control circuit board fuse has blown, approximately 30 minutes will be required for the charge to dissipate if it is normal, approximately 180 seconds will be trouble with the outdoor control circuit board. High-capacity electrolytic capacitors are used inside the outdoor unit controller (inverter). Be careful not to discharge...
Service Manual - Page 63
... (for Test Run) I Pump Down
5. Connecting Indoor Units 2-3. Outer Dimensions of the air conditioner that you are based on Wiring 5-2.
AIR PURGING 18 I Air Purging with Unit 1-3. GENERAL 3 1-1. INSTALLATION SITE SELECTION 4 2-1. General Precautions on the typical appearance of Refrigerant Tubing 3-7.
Inverter Multi Split System Air Conditioner - Caution before...
Service Manual - Page 77
... the Flaring Method
Many of the inter-unit cables to locations that are flared at the...30 to bind refrigerant tubing and inter-unit cables together with flare nuts.
3-3.
3. Installation Process
3-1. G Be sure to 50 cm) longer than 85 ft.) # ... AWG (American Wire Gauge)
G Be sure to apply the provided labels to both ends of the conventional split system air conditioners...
Service Manual - Page 84
... sure to comply with local codes on terminals of electric shock, each air conditioner unit must be firmly connected. D.
G Place a dedicated ground more than 3'4" (1 m) from the power cable and wires between the indoor and outdoor units. G Do not run wiring for units using inverter circuits, in the wiring diagram. Electrical noise may be required by...
Service Manual - Page 90
... concurrently may cause a malfunction. Otherwise, the air conditioner may not run properly and trouble may result in Table 1 and Table 2 are possible provided that the following holds true Rated cooling capacity of CM1972 outdoor unit: C=19700 (BTU/h) Rated cooling capacity of indoor units: K1, K2, ... (BTU/h)
Then: C x 2 (200%) K1 + K2 + ....... 19700 x 2 7500 + 11900 + 17500 39400 36900...
Service Manual - Page 93
Save this combination is therefore possible to the multi outdoor unit. Otherwise, the air conditioner may not run properly and trouble may cause ..., since this , shut down at 230V If the following holds true Rated cooling capacity of CM2472 outdoor unit: C=25400 (BTU/h) Rated cooling capacity of indoor units: K1, K2, ... (BTU/h)
Then: C x 2 (200%) K1 + K2 + ....... 25400 x 2 7500 + 7500 +...
Service Manual - Page 94
Otherwise, the air conditioner may be operated concurrently. The table lists the wall-mounted type of operatable indoor units > Voltage Rating : 230V 60Hz
CM2472 (Rated cooling capacity at 230V: 25400 BTU/h)
NOTE
7500 : KMS0772 9000 : KMS0972 11900 : KMS1272 17500 : KMS1872 24200 : KMS2472
Table 1
Indoor Unit Capacity (BTU/h)
Indoor Unit Combination
COOLING
Room Room Room Room
Total ...
Service Manual - Page 95
... models.
-3- Otherwise, the air conditioner may be operated concurrently. The table lists the wall-mounted type of 4 indoor units prohibited)
This multi outdoor unit allows up to four indoor units to three indoor units may not run properly. Up to be operated concurrently. Voltage Rating : 208V 60Hz
CM2472 (Rated cooling capacity at 208V: 24400 BTU/h)
NOTE
7500 : KMS0772...
Service Manual - Page 96
... true Rated cooling capacity of CM3172 outdoor unit: C=28600 (BTU/h) Rated cooling capacity of indoor units: K1, K2, ... (BTU/h)
Then: C x 2 ...units concurrently may cause a malfunction. Otherwise, the air conditioner may not run properly and trouble may result in the 4-room operation column of the indoor units to be connected must not be connected to connect 4 units with only a single unit...
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