Daikin EBHQ008BBV3 [9/24] Electing an installation location
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Daikin EBHQ008BBV3 [9/24] Electing an installation location

Daikin EBHQ006BBV3 [9/24] Electing an installation location
EBHQ006+008BBV3
Unit for air to water heat pump system
4P347825-1A – 2013.04
Installation manual
7
5.3. Main components of the outdoor unit switch box
1 Ter minal blocks
The terminal blocks allow easy connection of field
wiring.
2 Thermistor interconnection cable connector
5.4. Functional diagram of outdoor hydraulic
compartment
1 Outdoor unit EBHQ*BBV3
2 Backup heater EKMBUH*6V3 (optionally)
3 Heat exchanger
4 Heat exchanger refrigerant side
5 Water outlet
6 Water inlet
7 Refrigerant outlet
8 Refrigerant intlet
9 Air purge valve
10 Shut-off valve water (accessory)
11 Drain and fill valve
12 Pump
13 Manometer
14 Pressure relief valve
15 Expansion vessel
16 Flow switch
17 Water filter
R11T Water outlet temperature sensor
R12T Backup heater temperature sensor
R13T Refrigerant temperature thermistor
R14T Water inlet temperature sensor
Waterflow direction
Refrigerant flow direction in cooling mode
Refrigerant flow direction in heating mode
6. SELECTING AN INSTALLATION LOCATION
General precautions on outdoor installation location
Refer to "2. General Safety precautions" on page 2.
Select an installation site that meets the following requirements and
that meets with your customer's approval.
■ The unit is designed to be installed in an outdoor location.
■ The space around the unit is adequate for maintenance and
servicing (refer to "7.2. Service space of the outdoor unit" on
page 9).
■ The space around the unit allows for sufficient air circulation.
There must be sufficient space for air passage and no
obstructions around the air intake and the air exhaust (see
"Installing near a wall or obstacle" on page 8).
■ There must be sufficient space for carrying the unit into and out
of the site.
■ There is no danger of fire due to leakage of inflammable gas.
The site must be free from the possibility of flammable gas
leakage in a nearby place.
■ The equipment is not intended for use in a potentially explosive
atmosphere.
■ Choose a place solid enough to bear the weight and vibration of
the unit, where the operation noise will not be amplified.
■ All piping lengths and distances have been taken into
consideration.
■ Since drain flows out of the unit, do not place anything under the
unit which must be kept away from moisture.
■ Take care that in the event of a water leak, water cannot cause
any damage to the installation space and surroundings (e.g. in
case of a blocked drain pipe).
■ Install the unit and power cords at least 3 m away from television
and radio sets. This is to prevent interference to images and
sounds.
Depending on radio wave conditions, electromagnetic
interference may still occur even if installed more than 3 m away.
The electric wiring diagram can be found on the inside of
the outdoor unit top panel.
1
1
2
t >
t >
t >t >
R11T
R12T
R14T R13T
12345
6
7
8
7
8
910
10
11
12 13
14 15
11 17
16
WARNING
Be sure to provide for adequate measures in order to
prevent that the EBHQ outdoor unit be used as a shelter by
small animals.
Small animals making contact with electrical parts can
cause malfunctions, smoke or fire. Please instruct the
customer to keep the area around the EBHQ outdoor unit
clean and clear.
CAUTION
Appliance not accessible to the general public, install it in a
secured area, protected from easy access.
This unit is suitable for installation in a commercial and
light industrial environment.
Requirement Value
Maximum allowable distance between the
domestic hot water tank and the outdoor unit
(only for installations with a domestic hot
water tank installed). The thermistor cable
supplied with the domestic hot water tank is
12 m in length (to be connected to the
indoor unit EKCB).
10 m
Maximum allowable distance between the
3-way valve and the outdoor unit (only for
installations with a domestic hot water tank
installed)
10 m
(try to keep as close to
the outdoor unit as
possible)

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