21
Setpoint Ranges & Safeties
Safety
Factory
Setting
Action
Low Flow
(heating /cooling side)
< 4.4 Gal/Min
Shutoff
Evaporator
Temperature
Defrost Cut-In
34
°
F
Shutoff
Evaporator
Temperature
Defrost Cut-Out
38
°
F
Alarm
Temperature Setpoint
Range
100
°
F - 160
°
F
-
High Refrigerant
Pressure
Cut-Out
410 PSI
Shutoff / Alarm
High Refrigerant
Pressure Cut-in
300 PSI
-
Low Refrigerant
Pressure
Cut-Out
12 PSI
Shutoff / Alarm
Low Refrigerant
Pressure Cut-In
15 PSI
-
Compressor Anti-Short
Cycle Delay
500 Sec
-
MASTER SCREENS
MASTER PANEL HOME SCREEN
MASTER PANEL ALARM SCREEN
MASTER PANEL CONFIGURATION SCREEN
MASTER SCREEN TERMINOLOGY
HOME SCREEN
“LP”
– Low Pressure: indicates the suction line pressure on
the low side of the system
“HP”
– High Pressure: indicates the discharge line pressure on
the high side of the system
“LLSV”
– Liquid Line Solenoid Valve: indicates the position of
the LLSV (open or closed)
“Comp”
– Compressor: indicates the status of the compressor
(on or off ) “EvapFlow” – Evaporator Flow: indicates if the
blower is on (Air to Water HPWH) OR if there is water fl owing
through the evaporator (Water to Water HPWH)
“CondFlow”
– Condenser Flow: indicates if there is water
fl owing through the condenser
“Cond”
– Condenser Temperature: indicates the leaving
water temperature from the condenser
Summary of Contents for AHPM-270
Page 2: ......
Page 10: ...6 Thermostatic Expansion Valve TXV Condenser Paddle Wheel Flow Sensor Accumulator Receiver...
Page 11: ...7 WATER TO WATER CYCLE...
Page 40: ...36 Service Log Issue Description Date Servicer...
Page 41: ...Service Log Issue Description Date Servicer 37...
Page 42: ...Notes 38...
Page 43: ......
Page 44: ......
