Indoor Unit Connection Unit; Hydraulic Connection - Immergas MAGIS COMBO PLUS V2 Series Instructions And Recommendations For The Installer

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1.7

INDOOR UNIT CONNECTION UNIT

- The hydraulic connection unit is standard supplied with Magis
Combo Plus V2. Make the hydraulic connection as shown be-
low, making sure to protect the system flow and return pipes
with their supplied insulating sheaths.
- The R32 circuit wall connection unit is supplied as an extra kit.
Connect the circuit, following the instructions provided in the
outdoor unit instructions booklet.
The hydraulic connection kit includes (Fig. 7):
2
- Adjustable expansion bolts
2
- indoor unit support hooks
1
- 1/2" system filling pipe (RR)
1
- 3/4" storage tank unit flow pipe (MU)
1
- 3/4" storage tank unit return pipe (RU)
1
- 1/2" ball valve (RR)
1
- 3/4" system return pipe (R)
1
- 3/4" system flow pipe (M)
1
- 3/4" ball valve (M)
3
- Insulating sheath for system pipes (R - M)
1
- Telescopic fitting 3/4" (MU)
1
- x 3/4" telescopic fitting (RU)
Gaskets, screws and seal O-Ring
The R32 circuit wall connection kit (optional) includes:
1
- SAE 1/4" liquid phase chiller line pipe (LP)
1
- SAE 5/8" gaseous phase chiller line pipe (GP)
Already installed on the module:
1
- Gas cock
1
- System shut-off cock with 3/4" filter (R)
14
1.8

HYDRAULIC CONNECTION

In order not to void the warranty, before making indoor
unit connections, carefully clean the heating system
(pipes, radiators, etc.) with special pickling or de-scaling
products to remove any deposits that could jeopardise
proper hydronic module operation.
3
7
Key (Fig. 8):
V
- Electric connection
G
- Gas supply
RU
- Storage tank unit return
MU - Storage tank unit flow
RR
- System filling
SC
- Condensate drain (minimum internal diameter Ø 13 mm)
R
- System return
M
- System flow
LP
- Chiller line - liquid phase
GP
- Chiller line - gaseous phase
1
- System filling cock
2
- System draining valve
3
- Storage tank unit bypass pipe, to be used only in case of heat
generator operating in room heating mode only
2
1
8

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