Hubbell JHX, Инструкция по установке, эксплуатации и обслуживанию

Страница: 5 / 44

5
Heating Elements
Heating Chamber Hi-Limit Switches
Inlet Thermistor
Outlet Thermistor
Element Switching
Devices (Triacs)
Temperature
Controller
LED Digital Display
(with buttons)
Power Distribution Block
Ground Lug
Hot Water
Outlet
Warm
Water Inlet
Drain
Flow Meter
Magnetic
Contactor
Transformer
Control Fuse
SECTION II
– GENERAL DESCRIPTION AND CONSTRUCTION
Technical Specifications Common to All Models:
Materials: Copper Exchanger /
Stainless Steel Casing
Plumbing
Connection:
Low
Flow
¾” Copper Sweat
Energy
Efficiency:
98%
High
Flow
1” Copper Sweat
Voltage: 208-600 Volts Operating Range: 5 – 150 psi
Frequency: 50 / 60 Hz Protection: Thermal Auto Reset
Product Overview:
Notes:
1. Power distribution blocks are only installed on single phase models.
2. Magnetic contactors are only installed on 3-phase models.
3. Transformers are only installed on 3-phase models over 240 volts.
4. 2-Element models will have a plug in the lowest element chamber and have only two hi-
limit switches and triacs installed.
Typical 2/3-Element Model