Lennox Fhm 170 User Manual

ELECTRICAL DATA : WIRING DIAGRAMS
FLEXYII_WSHP-IOM-0909-E Page 84
DIAGRAM REFERENCE LEGEND
A1-2-3-4 AIR SOCK CONTROL BT10 REGULATION TEMPERATURE PROBE MG11/MG12 COMPRESSOR -MG11/MG12
B1 EXTERNAL AIR THERMOSTAT BT11 EXTERNAL TEMPERATURE PROBE MG21/MG22 COMPRESSOR -MG21/MG22
B2 SMOKE DETECTION HEAD BT12 BLOWER TEMPERATURE PROBE MR1 ECONOMISER DAMPER MOTOR
B3 RC CIRCUIT BT13 COLD WATER TEMPERATURE PROBE MR2 BLOWER DAMPER MOTOR
B4/B5 GAS MANIFOLD IONISATION PROBE BT14
CONDENSER 1 SPEED REGULATION
TEMPERATURE PROBE
MR3 NEW AIR DAMPER MOTOR
B6/B7
GAS MANIFOLD IGNITION
ELECTRODE
BT15
CONDENSER 2 SPEED REGULATION
TEMPERATURE PROBE
MR4 EXTRACTION DAMPER MOTOR
B10 AIR PRESSURE SWITCH BT16/BT18
HEAT EXCHANGER WATER OUTLET
PROBE
MR6 BY-PASS DAMPER MOTOR
B11 WATER FLOW RATE CONTROLLER BT17 RETURN TEMPERATURE SENSOR MS1/MS2 BLOWER FAN MOTOR -MS1/MS2
B13
CLOGGED AIR FILTER PRESSURE
SWITCH / AIR FLOW RATE
BT91/BT92
DEFROST TEMPERATURE SENSOR
COMPRESSOR -MG11/12/-MG21/22
Q1/Q2
BLOWER FAN MOTOR -MS1/MS2
PROTECTION
B14
HOT WATER COIL ANTIFREEZE
THERMOSTAT
DT THERMOSTATIC HOLDER Q5/Q6
EXTRACTION FAN MOTOR -ME1/ME2
PROTECTION
B15
HOT WATER COIL ANTIFREEZE
THERMOSTAT
EEV WATER HEAT EXCHANGER Q9
CONDENSER -MC1/MC2 FAN MOTOR
PROTECTION
B16 FIRE THERMOSTAT E1/E2/E3 HEATER -E1/E2/E3 Q10
CONDENSER -MC3/MC4 FAN MOTOR
PROTECTION
B17/B18
GAS MANIFOLD MINIMUM GAS
PRESSURE SWITCH
E7/E8
ANTIFREEZE HEATER CORDS HOT
WATER COIL
Q11/Q12
COMPRESSOR -MG11/MG12
PROTECTION
B19/B20
BLOWER FAN MOTOR -MS1/MS2
STOPTHERM
E9/E10
ANTIFREEZE HEATER CORDS HOT
WATER COIL
Q21/Q22
COMPRESSOR -MG21/MG22
PROTECTION
B21/B22
GAS MANIFOLD SMOKE EXTRACTION
AIR PRESSURE SWITCH
E4 VAPOR HUMIDIFIER QF1 PRIMARY CIRCUIT PROTECTION -T1
B23/B24
EXTRACTION FAN MOTOR -ME1/ME2
STOPTHERM
E11 SMOKE DETECTOR PRINTED BAX QF2 PRIMARY CIRCUIT PROTECTION -T2
B25/B26
ELECTRIC BATTERY -E1/E2 SAFETY
KLIXON
E14 BURNER CONTROL BOX QF3 PRIMARY CIRCUIT PROTECTION -T3
B27
ELECTRIC BATTERY -E3 SAFETY
KLIXON
BE 50 EXTENSION BOARD QG MAIN SWITCH
B28
CIRCULATION PUMP -MP1 MOTOR
STOPTHERM
BM 50 CLIMATIC 50 QE1-2-3 HEATER -E1/E2/E3 PROTECTION
B29/B30
GAS MANIFOLD AIR FLOW RATE
SAFETY KLIXON
BX 50 MULTIPLEXER CLIMATIC 50 T1
CONTROL CIRCUIT TRANSFORMER
400V/24V
B32/B33
GAS MANIFOLD FLASHBACK SAFETY
KLIXON
DT 50 CONNECTION BOARD T2 TRANSFORMER UV 400/230V
B41/B42
COMPRESSOR -MG11/12/-MG21/22
HIGH PRESSURE SAFETY SWITCH
E32 INTERFACE T3
BURNER POWER SUPPLY
TRANSFORMER 400/230V
B45/B46
GAS MANIFOLD 1/ GAS MANIFOLD 2
REGULATION KLIXON
E511/E512
COMPRESSOR -MG11/12 HOUSING
RESISTANCE
TCB CONTROL THERMOSTAT
B51/B52
COMPRESSOR -MG11/12/-MG21/22
LOW PRESSURE SAFETY SWITCH
E521/E522
COMPRESSOR -MG21/22 HOUSING
RESISTANCE
UF COOLING UNIT
B61/B62
COMPRESSOR -MG11/12/-MG21/22
HIGH PRESSURE CONTROL SWITCH
FD DEHUMIDIFIER FILTER UT AIR TREATMENT UNIT
B71/B72
CONDENSER -MC1/MC2 FAN MOTOR
MOTOR STOPTHERM
FDB BOTTLE DEHUMIDIFIER FILTER UV1/2 LIGHT UV1-2
B73/B74
CONDENSER -MC3/MC4 FAN MOTOR
MOTOR STOPTHERM
FDW
DOUBLE FLOW DEHUMIDIFIER
FILTER
U1 INTERFACE
B811/B812
SCROLL COMPRESSOR -MG11/12
PROTECTION MODULE
KE1-2-3 HEATER -E1/E2/E3 CONTACTOR VAM MANUAL CHECK VALVE
B821/B822
SCROLL COMPRESSOR -MG21/22
PROTECTION MODULE
KM1/KM2
BLOWER FAN MOTOR -MS1/MS2
CONTACTOR
V1
ELECTRIC BATTERY STATIC
CONTACTOR
B91/B92
COMPRESSOR -MG11/12/-MG21/22
PRESSURE SWITCH 4/20mA
KM5/KM6
EXTRACTION FAN MOTOR -ME1/ME2
CONTACTOR
V2
ELECTRIC BATTERY STATIC
CONTACTOR
BCD CONDENSER COIL KM9/KM10
CONDENSER 1 / CONDENSER 2 FAN
MOTOR CONTACTOR
YV1 CHILLED WATER 3/WAY VALVE
BEC HOT WATER COIL KM11/KM12
COMPRESSOR -MG11/MG12
CONTACTOR
YV2 HOT WATER 3/WAY VALVE
BEG CHILLED WATER COIL KM21/KM22
COMPRESSOR -MG21/MG22
CONTACTOR
YV11/YV12
COMPRESSOR -MG11-MG12/-MG21-
MG22 REVERSING CYCLE VALVE
BEV EVAPORATOR COIL MC1.2 CONDENSER -MC1/MC2 FAN MOTOR YV31/YV32 GAS BURNER SOLENOID VALVE
BG10 HYGIENE PROBE MC3.4 CONDENSER -MC3/MC4 FAN MOTOR YV41/YV42
GAS MANIFOLD SAFETY SOLENOID
VALVE
BH10 REGULATION HYGROMETRY PROBE ME1/ME2 EXTRACTION FAN MOTOR -ME1/ME2 YV51/YV52
GAS MANIFOLD MAIN SOLENOID
VALVE
BH11 EXTERNAL HYGROMETRY PROBE Z* CAPACITY RESISTANCE CIRCUIT

Lennox Fhm 170 Specifications

General

Brand	Lennox
Model	Fhm 170
Category	Heat Pump
Language	English