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Components
Service manual
243
REYQ8~20+REMQ5U7Y1B
VRV IV+ Heat Recovery
ESIE18-15B – 2020.05
c
Cut here
d
Cut here
e
Cut here
f
Cut above non‑return valve block
g
Cut below non‑return valve block
2
Remove the complete E-Bridge from the unit so that you have easier access to
non‑return valves.
3
Depending on the non‑return valve block you need to replace, use a pipe
cutter to cut the pipe above and below the appropriate non‑return valve
block.
4
To install the E‑bridge with new non‑return valve(s), see
242].
To install the E-bridge assembly
1
Replace the necessary non‑return valve(s).
a
b
g
e
c
d
f
a
Expansion valve
b
Cut here
c
Cut here
d
Cut here
e
Cut here
f
Cut above non‑return valve block
g
Cut below non‑return valve block
INFORMATION
Pay attention to the direction of the non‑return valve(s).
2
Supply nitrogen to the refrigerant circuit. The nitrogen pressure MUST NOT
exceed 0.02 MPa.
3
Wrap a wet rag around the non‑return valve and solder the refrigerant pipes.
Summary of Contents for VRV IV+
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