Daikin LREQ15B7Y1R, Installation Manual

Page: 14 / 28

Installation manual
11
20B7Y1R
Air cooled refrigeration condensing unit
4P360438-1B – 2014.01
2. Connect gas side branch pipes(2) to the gas side shutoff valves.
The pipes are supplied with the outdoor unit multi-connection
piping kit.
1 Gas side branch pipe (2)
2 Gas side shutoff valve
3 Brazing
3. Connect gas side branch pipes (3) to gas side branch pipes (2) by
way of field-supplied branch pipes.
1 Gas side branch pipe (3)
2 Branch pipe (field supply)
3 Gas side branch pipe (2)
4 Brazing
4. Connect gas side branch pipe (1) to the main gas pipe. The main
gas pipe is field-supplied.
1 Main gas pipe (field supply)
2 Gas side branch pipe (1)
3 Brazing
5. Connect liquid side accessory pipes (1) to the liquid side shutoff
valves. Liquid side accessory pipes (1) are supplied with the
outdoor unit.
1 Liquid side shutoff valve
2 Brazing
3 Liquid side accessory pipe (1)
When connected at the lateral side (bottom)
CAUTION
• Only use the dedictated outdoor unit multi-connection piping kit
(EKHRQZM).
• When brazing, make sure there are no flammable materials
around.
1. Connect gas side accessory pipes (1) to field-supplied branch
pipes. Gas side accessory pipes (1) are supplied with the outdoor
units.
2. Connect gas side accessory pipes (1) to the gas side shutoff
valves.
1 Gas side accessory pipe (1)
2 Branch pipe (field supply)
3 Gas side shutoff valve
4 Brazing
3. Connect the field-supplied branch pipes to gas side branch pipe (1)
by way of gas side branch pipes (4). Gas side branch pipe (1) and
gas side branch pipes (4) are supplied with the outdoor unit
multi-connection piping kit.
1 Gas side branch pipe (4)
2 Branch pipe (field supply)
3 Gas side branch pipe (1)
4 Brazing
CAUTION
When installing gas side branch pipe (1), take the following into
account:
• Do not tilt more than 10°.
• Make sure the maximum height difference with the outdoor unit is
≤ 3 m.
• Install it horizontally.
1
2
2
1
3 3
1
2
4
1
2
4
3
4
3
4
3
1
2
A
A
A
2
1
3
1
1
4
3
3
4
4
4
2
2
1 2
4
1 3 2
4