Txv Sensing Bulb Location; Filter Drier Quantity And Location; Typical Installation - Carrier 40RM007-034 Installation, Start-Up And Service Instructions Manual

LEGEND
TXV — Thermostatic Expansion Valve
NOTE: The 8 o'clock position is shown above.
Fig. 9 — TXV Sensing Bulb Location
ELECTRIC
HEATER
ACCESSORY
40RMQ024
UNIT
RETURN
AIR
SUBBASE
ACCESSORY
15 DIAMS
MIN
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NEC — National Electrical Code
TXV — Thermostatic Expansion Valve
Piping
*Field supplied.
NOTES:
1. All piping must follow standard refrigerant piping techniques. Refer to
Carrier System Design Manual for details.
2. All wiring must comply with the applicable local and national codes.
3. Wiring and piping shown are general points-of-connection guides only
and are not intended for, or to include all details for, a specific installation.
4. Filter driers must be bi-flow type suited for heat pump duty.
5. Condensing unit A should be the first on and last off and be connected to
the lower half of the coil.
6. Internal factory-supplied TXVs not shown.
DISCONNECT
PER NEC
24 V
CONTROL
WIRE
BULB CAPILLARY
TUBES
8 DIAMS
MIN
10 DIAMS
MIN
CONDENSATE
DRAIN
Fig. 10 — Typical Installation — 40RMQ024,028
16
UNIT QUANTITY REQUIRED
38ARQ008,012
38AQS016
38ARQ012 (2)
38ARQ012,
AQS016
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TXV — Thermostatic Expansion Valve
Fig. 11 — Filter Drier Quantity and Location
FUSED
DISCONNECT
SWITCH*
SIGHT
GLASS*
FILTER
DRIER*
FUSED
DISCONNECT
SWITCH*
INSULATED
VAPOR LINE
LIQUID
LINE
FIGURE REFERENCE
1 B
2 A
2 A
2 A
CONDENSING
UNIT B
INSULATED
VAPOR LINE
LIQUID
LINE
CONDENSING
UNIT A