Series 3899.A

Series 3899.A

Box radiator replacement kit

Mixing and power supply module for replacing a radiator terminal with a ceiling or floor radiant system. The kit can be derived from any radiator terminal, both single-pipe and double-pipe, and is supplied complete with box with frame and flush-to-wall cover plate.
Galvanized sheet box for wall-mounted assembly.
ABS frame and cover plate with adjustable depth. Can be installed with flush-to-wall or external-wall-mounted cover plate and frame.
Module shut-off ball valves; Adjustment unit complete with by-pass for single-pipe circuit, check valve and calibration lockshield valve. 3-way mixing valve with adjustment from 27 to 63°C.
Electronic circulator UPM3 AUTO 15-70. Minimum temperature thermostat pre-set to 55°C. Delivery dial thermometer.
External frame dimensions (LxD): 520x300 mm
Max depth with flush-to-wall frame 156 mm
Max depth with external-wall-mounted frame 135 mm
Threaded connections: 3/4" M
Circuit kits that can be powered: 3 n
Max deliverable head: 70 kPa
Delivery rate at max head: 800
Power supply: 230 VAC
Power demand: 52 W
Electrical protection: IP 20

Box radiator replacement kit

Code Box Carton Cat.
38990000 1 1 70.02 --

Suitable for powering a radiant system with a maximum recommended development of 30 m² divided into 3 circuits of 10 m² each.

For the power supply of 2 or 3 ceiling or floor circuits, we recommend using the appropriate distribution kits.

Reversible box with external-wall-mounted or flush-to-wall frame.

Kit designed for housing and wiring:

- remote actuator for programmable thermostats with wireless receivers

- antenna for remote actuator.

Can be combined with room programmable thermostats with wireless receiver series 3405M and 3406M.

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