DeLonghi AWR-MTD2-XE Service Manual download pdf (Page 14)

OUTLET ELECTRIC HEATER

The outlet electric heaters are available with power ratings of 3

kW single-phase and 3, 6 and 9 kW three-phase.

Used on the system outlet, these guarantee the heating

demand of the building at low outside temperatures by supple-

menting the heating capacity of the heat pump.

The electric heaters are deactivated as soon as the heat pump

alone can meet heating demand.

Considering that normally the heat pump operates only a short

time at low outside temperatures, operation of the supplemen-

tary heater is also reduced and consequently power consump-

tion is negligible.

Therefore, the system’s seasonal efficiency ratio remains

unchanged.

Wall-mounted installation using the fastening brackets.

0 3

348

260

120

11 (G 1 1/4 B )

100

23158

9,5 9,5

10 (G 1 1/4 B)

Technical specifications

Power supply 230V/50Hz 400V/50Hz

Power 3000 W

3000-6000-9000

Maximum pressure 6 Bar

Min/max operating

temperature

5...90°C

Safety thermostat 90 +/- 5°C

Adjustable thermostat 30...70°C

Heating element material Incoloy 800

Threaded attachment 1" 1/4 M GAS

Index of protection IP 55

Indicator light Red; on when heater operating

Dimensions

1 Terminal block cover

2 Safety thermostat manual reset

3 Control thermostat knob

4 Reference for knob full scale

5 Cable gland for control cable

6 Cable gland for power cable

7 Red light, on when the heater is

operating

8 Wall fastening brackets

9 Heater body

10 Water inlet

11 Water outlet

The diagram shown is purely indicative.

AWR MTD2 XE

HFC 410AAWR_MTD2_XE_0011_0091_201109_EN

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 57 58

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DeLonghi AWR-MTD2-XE Service Manual Page 14

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