Side View; Operating Service Valves - Lennox Merit 13ACD-018 Installation Instructions Manual

A A
OUTDOOR COIL FAN
tDischarge Air
COMPRESSOR_
SUCTION ANDLIQUIDLINE
CONNECTIONS
SIDE VIEW
Model Number A B
13ACD-018 24-1/4 (616) 25-1/4 (641 )
13ACD-024 24-1/4 (616) 25-1/4 (641 )
13ACD-030 24-1/4 (616) 33-1/4 (845)
13ACD-036 24-1/4 (616) 33-1/4 (845)
13ACD-042 28-1/4 (718) 29-1/4 (743)
13ACD-048 28-1/4 (718) 37-1/4 (946)
13ACD-060 28-1/4 (718) 33-1/4 (845)
WARNING
OPTIONAL UNIT STAND-OFF KIT
(4) (FIELDqNSTALLED)
SIDE VIEW
I
When servicing or repairing HVAC components, ensure
caps and fasteners are appropriately tightened, Table 1
lists torque values for typical service and repair items.
Table 1. Torque Requirements
Part
Service valve cap 8 ft.- lb.
Sheet metal screws 16 in.- lb.
Machine screws #10 28 in.- lb.
Compressor bolts 90 in.- lb.
Gauge port seal cap 8 ft.- lb.
USING MANIFOLD GAUGE SETS
Recommended Torque
11 NM
2NM
3NM
10 NM
11 NM
When checking the system charge, use a manifold gauge
set that features low-loss anti-blow back fittings. See figure
1 for a typical manifold gauge connection setup.
OPERATING SERVICE VALVES
IMPORTANT
These instructions are intended as a general guide and do
not supersede local codes in any way. Consult authorities
who have jurisdiction before installation.
The liquid and suction line service valves are typically used
for removing refrigerant, flushing, leak testing, evacuating,
checking charge and charging,
505366M 01/08
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