AW 834H-AW 1534H

Water heating

Specifically designed for hot water heating to 68°C, the 34 range heat pumps are the leading choice for heating and hot water in hotels, hospitals, industrial spaces, nursing homes, restaurants, schools and more. Designed for outdoor or plant room installation, all 34 range have a choice of fan external static pressure. This offers flexible installation including the ability for the units to provide cold air through a ducted system.

Features
- Space heating through fan coils, radiators, underfloor system
- Heat recovery from soil, rivers, lakes and chilled water systems
- Space cooling as a by product of the heating process
- Up to 400% running cost and carbon savings against electric heating
- Up to 48% running cost and carbon savings against fossil fuel system
- No flues or storage tanks
- Easy to retrofit
- Minimal service requirements
- WRAS approved – seamless 90/10 cupro-nickel heat exchanger allows the units to be used in direct systems for potable water
- Range of capacities from 6kW to 140kW
- R134a ozone friendly refrigerant ensures reliable operation up to 68^oC
- Fully weatherproof polyester or epoxy coated cabinet
- Choice of centrifugal fans – allows ducting from plant rooms or distribution of cold air for space cooling
- Manufactured in the UK to ISO9001 standards
Option
- Reverse cycle defrost allows operation down to -15^oC
Other options
- Soft start
- High pressure fans
- RS485 compatible thermostat (Pro-Pac only)
- Reverse cycle defrost (excluding 834,1234 and 1534)
Applications
- Hotels
- Hospitals
- Industrial spaces
- Care homes
- Restaurants
- Schools
Calorex

Product Catalogue

Dantherm Group

Commercial/Industrial Catalogue

Specifications	Units	AW 834H	AW 1234H	AW 1534H
Air temperature range	°C	7-50	7-50	7-50
Water temperature range	°C	10-68	10-68	10-68
Duty – output to water @ 30°C/55°C
Output @ +25°C/55% RH ambient	kW	7.5/7.1	11.9/10.6	15.1/13.5
Input @ +25°C/55% RH ambient	kW	1.5/2.3	2.1/3.3	2.7/4.3
Output @ +15°C/70% RH ambient	kW	6.7/6.0	10.1/9.0	12.8/11.4
Input @ +15°C/70% RH ambient	kW	1.4/2.1	2.0/3.1	2.6/4.0
Output @ +5°C/100% RH ambient	kW	5.8/5.2	8.8/7.9	11.2/10.9
Input @ +5°C/100% RH ambient	kW	1.3/2.0	1.9/2.9	2.4/3.8
Power supply	V/Hz	230/1ph/50Hz	230/1ph/50Hz	-
	V/Hz	400/3ph/50Hz	400/3ph/50Hz	400/3ph/50Hz
Minimum supply capacity	A (1ph)	15.7	22.7	-
	A (3ph)	7.8	12.5	13.7
Recommended supply fuse	A (1ph)	25	32	-
	A (3ph)	13	20	20
Nominal air flow	m³/h	2650	3200	4000
External static (standard units)	Pa	0	0	0
External static (uprated units)	Pa	150	150	Variable to 250Pa
Water flow ± 10%	l/min	33	33	33
Pressure drop (water)	m hd	5.8	7	8.3
Water connections	inch	¾ BSPM	¾ BSPM	¾ BSPM
Fan	Type	1 x Centrifugal	1 x Centrifugal	1 x Centrifugal
Compressor	Type	1 x Recip	1 x Scroll	1 x Scroll
Condenser	Type	‹Cu tube in shell (WRAS approved CU-Ni optional)›
Sound pressure level @ 10m	dB(A)	45	48	51
Sound pressure level @ 3m	dB(A)	57	59	62
Width	mm	1060	1060	1210
Depth	mm	705	705	755
Height	mm	807	807	807
Weight	kg	119	130	156