Specification
Sunwarmth
™
CIR Short-Wave Infrared Electric Radiant Heaters
Model DHC 3-1 DHC 3-2 DHC 4-2 DHC 4-3 DHC 5-2 DHC 6-2 DHC 8-2 DHC 9-3 DHC 10-2
Item no. 074050 074052 074053 074051 074054 074424 074055 232204 074056
Phase
- 60/50 Hz 1
Voltage 120
V 240 V 208 V 240 V 208 V 277 V 240 V 208 V 240 V 208 V 240 V 208 V 277 V 240 V 208 V
Wattage 3.0 kW 3.3 kW 2.5 kW 3.8 kW 2.9 kW 4.5 kW 4.8 kW 3.6 kW 6.0 kW 4.5 kW 7.2 kW 5.4 kW 9.0 kW 9.6 kW 7.2 kW
Amperage 25 A 14 A 12 A 16 A 14 A 17 A 20 A 18 A 25 A 22 A 30 A 26 A 32.5 A 40 A 35 A
Required circuit breaker size
1
30 A 20 A 15 A 20 A 20 A 20 A 30 A 30 A 30 A 30 A 40 A 40 A 40 A 50 A 40 A
Required wire size
2
10 AWG 12 AWG 14 AWG 12 AWG 12 AWG 12 AWG 10 AWG 10 AWG 10 AWG 10 AWG 8 AWG 8 AWG 8 AWG 8 AWG 8 AWG
Minimum water flow to
activate unit
0.32 GPM
1.2 l/min
0.32 GPM
1.2 l/min
0.42 GPM
1.6 l/min
0.42 GPM
1.6 l/min
0.42 GPM
1.6 l/min
0.47 GPM
1.8 l/min
0.69 GPM
2.6 l/min
0.79 GPM
3.0 l/min
0.79 GPM
3.0 l/min
Weight 4.6 lb / 2.1 kg 5.3 lb / 2.4 kg 5.3 lb / 2.4 kg 4.6 lb / 2.1 kg 4.6 lb / 2.1 kg 4.6 lb / 2.1 kg 5.3 lb / 2.4 kg 5.3 lb / 2.4 kg 5.3 lb / 2.4 kg
Dimensions (H x W x D)
14
3
/
16
� / 36.0 cm x 7
7
/
8
� / 20.0 cm x 4
1
/
8
� / 10.4 cm
Nominal water volume 0.13 gal / 0.5 l
Working pressure 150
psi / 10 BAR
Tested to pressure 300 psi / 20 BAR
Water connections
3
½� NPT
DHC 3-1, 3-2, 4-2 ship with a 0.5 GPM pressure compensating fl ow-reducer/aerator that must be installed.
1
This is our recommendation as the manufacturer. Check local codes for compliance if necessary. Tankless water heaters are considered a non-continuous load.
2
Copper must be used. Conductors should be sized to maintain a voltage drop of less than 3% under load.
3
Suitable for supply with cold water only.
Tested and certified by WQA
against NSF/ANSI 372 for lead
free compliance.
Certified to ANSI/UL Std. 499
Conforms to CAN/CSA E335-1 & E335-2-35
Technical Data
CIR 150-1 O, CIR 200-2 O, CIR 400-2 O: Conforms to ANSI/UL 2021 Certified to CAN/CSA C22.2 No. 46
CIR 150-1 I: Conforms to ANSI/UL 1278 Certified to CAN/CSA C22.2 No. 46
Model CIR 150-1 I CIR 150-1 O CIR 200-2 O CIR 400-2 O
Item No. 234047 234048 234049 234050
Usage indoor only indoor/outdoor indoor/outdoor indoor/outdoor
Voltage, 60Hz 120 V
(supplied with plug & cord) 240 V (hard-wired / supplied with cord)
Wattage 1.5 kW 1.5 kW 2.0 kW 4.0 kW
Amperage 12.5 A 12.5 A 8.3 A 2 x 8.3 A
Required circuit breaker(s)
1
20 A 20 A 15 A 2 x 15 A
Required wire size
(copper) 14 AWG 14 AWG 12 AWG 12 AWG
Lamp temperature 2420 ±360 °F / 1325 ±200 °C
Lamp life
(normal conditions) 5,000 hours
Lamp color temperature 1,600, ±200 K
Size of heatable area
2
108–133 ft
2
108–133 ft
2
133–165 ft
2
205–275 ft
2
Average heat density
3
13.9–11.3 W/ft
2
13.9–11.3 W/ft
2
15–12.1 W/ft
2
19.5–14.5 W/ft
2
Height 5
11
/16 ˝/ 145 mm
Width 15
9
/16 ˝/ 395 mm 18
9
/16 ˝/ 395 mm 18
9
/16 ˝/ 395 mm 38 ½ ˝/ 978mm
Depth 4
7
/16 ˝/ 112 mm 4 ¼ ˝/ 108 mm 4 ¼ ˝/ 108 mm 4
7
/16 ˝/ 112 mm
Weight 4.85 lb/ 2.2 kg 5.5 lb / 2.5 kg 5.5 lb / 2.5 kg 8.8 lb / 4.0 kg
1
CIR heaters must be installed on a circuit with a timer or timer switch.
2
When installed as specified in installation manual.
3
Heat input needed is 2 W/ft
2
per °F temp. rise for outdoors and .75 W/ft
2
per °F temp. rise for indoors (discounting
wind). (A 10 x 20 ft outdoor patio needing 15°F temp/ rise would be 10x20x15x2 = 6,000 W or 3 CIR 200-2.)