Daikin RDT-135c Installation And Maintenance Manual page 65

ID Description
HTR1–6 Crankcase heaters
HTR65 Heater, sump
HTR66 Heater, vestibule
HUM1 Humidstat sensor
IT Ignition transformer
LAT Leaving air temperature sensor Energy recovery section
LP1, 2 Low-pressure controls,
refrigeration
LP5 Low-pressure control, gas
LR10 Line Reactor, supply fan
LR20 Line reactor, return/exhaust fan Inv. bypass/main cont. box
LS1, 2 Limit switch, low fire, high fire Gas heat box
LT10–23 Light, cabinet sections
M1–8 Contactor, compressor
M10 Contactor, supply fan
M11–18 Contactor, condenser fans,
circuit #1
M20 Contactor, return fan
M21–28 Contactor, Condenser fans,
circuit #2
M29 Contactor, burner motor
M30 Contactor, reversing, invertor
bypass, supply fan
M31–39 Contactor, electric heat (top
bank)
M40 Contactor, reversing, Invertor
Bypass, Return Fan
M41–50 Contactor, electric heat (bot.
bank)
M60 Contactor, energy recovery
wheel
M64 Contactor, sump pump
M65 Contactor, sump heater
MCB Microprocessor circuit board
MJ Mechanical Jumper
MMP1–8 Manual motor protector,
compressors
MMP10 Manual motor protector, supply
fan
MMP11– Manual motor protector, cond.
18 fans, ckt#1
MMP20 Manual motor protector, return
fan
MMP21– Manual motor protector, cond.
28 fans, ckt#2
MMP30 Manual motor protector, invrtr.
bypass, sup. fan
MMP40 Manual motor protector, invrtr.
bypass, ret. fan
MMP51, Manual motor protector,
52, 53 exhaust fan(s)
MMP60 Manual motor protector,
energy recovery wheel
MMP64 Manual motor protector, sump
pump
MP1–6 Motor protector, compr.#1-6
OAE Outside air enthalpy sensor
OAT Outside air temperature sensor Economizer section
OP1–4 Oil pressure controls,
compr.#1-4
PB1, 2 Power block, power distribution Main control box
IM 738-2
Standard location
On compressers
Evap. condenser section
Evap. condenser vestibule
Energy recovery section
Gas heat box
On compressors
Heat section, gas
Inverter bypass box
Supply fan section
Main/cond. control box
Main control box
Main/cond. control box
Main control box
Main/cond. control box
Gas heat box
Inverter bypass box
Electric heat box
Inverter bypass box
Electric heat box
Main control box
Main/cond. control box
Main/cond. control box
Main control box
All control boxes
Main/cond. control box
Main control box
Main/cond. control box
Main control box
Main/cond. control box
Inverter bypass box
Inverter bypass box
Prop exhaust box
Main control box
Main/RCE control box
On compressors
Economizer section
Condenser section
ID Description
PB3 Power block, power
distribution, electric heat
PB4 Power block, power
distribution, condenser
PB9, 10 Power block, supply fan
PB11, 12 Power block, power distribution Main control box
PB19, 20 Power block, return/exhaust
fan
PC5 Pressure control, clogged filter Pre filter section
PC6 Pressure control, clogged final
filter
PC7 Pressure control, proof airflow Supply fan section
PC8 Pressure control, minimum
airflow
PC12, 22 Pressure control, Fantrol
PM1 Phone modem
PS1, 2 Pumpdown switches, refrig
circuits
PS3 Pumpdown switch, RFS only
PVM1, 2 Phase voltage monitor
PVM4 Phase voltage monitor,
condenser
R1, 2 Relay, hi pressure reset
R3, 4 Relay, hi pressure delay
R5–8 Relay, safety, cool fail
R9, 10 Relay, compressor lockout
R11, 12 Relay, Speedtrol fan cycling
R20 Relay, Heat, gas/ steam/ hot
water
R21, 22 Relay, heat, gas (hi-turn down) Gas heat box
R23 Relay, heat, gas & electric
R24 Relay, heat alarm, gas
R25 Relay, heat, gas, start supply
fan inverter
R26 Relay, isol/exh. dampers,
open/close
R28 Relay, isolation damper, safety Main control box
R29 Relay, remote fire alarm
R30 Relay, cool valve with face
bypass
R45 Relay, UV lights
R46, 47 Relay, supply fan inverter, incr/
decr
R48, 49 Relay, return fan inverter, incr/
decr
R56 Relay, heater, water pipe
R58,59 Relay, heat wheel inverter, incr/
decr
R60 Relay, energy recovery
wheel,enable
R61 Relay, smoke detector,
discharge air
R62, 63, Relay, use on specials
65
R64 Relay, sump pump
R66 Relay, smoke detector, return
air
R67 Relay, supply fan, enable
R68 Relay, return fan, enable
R69 Relay, Inv. bypass VAV box
interlock
R70–79 Relay, use on specials
Wiring Diagrams: Legend
Standard location
Electric heat box
Condenser control box
Junction box, split unit
Junction box, split unit
Final filter section
Coil section, cool
Condenser section
Main control box
Main/cond. control box
Main control box
Main control box
Condenser control box
Main/cond. control box
Main/cond. control box
Main/cond. control box
Main/cond. control box
Main/cond. control box
Gas heat/main cont. box
Gas/electric heat box
Main control box
Main control box
Main control box
Main control box
Main control box
Main control box
Main control box
Main control box
Main/RCE control box
Main control box
Main control box
Main control box
Main control box
Main/RCE control box
Main control box
Main control box
Main control box
Main control box
Main control box
63