DriSteem Vaporstream Specifikace stáhnout pdf (Strana 46)

P a g e 4 2 • D R I - S T E E M D e s i g n G u i d e

D R I - S T E E M D e s i g n G u i d e • P a g e 4 3

Evaporative system components

1. Control cabinet

If a humidifier has a separate control cabinet, it can be mounted

either on the humidifier or remotely. Some humidifiers, like

the VAPORMIST, have control components integrated into the

humidifier cabinet. Systems using VAPOR-LOGIC control also

have a keypad (see Figure 42-2).

2. Water level control

Potable or softened water systems control water level

electronically using a three-rod probe. DI/RO water systems

control water levels using a float valve. Electric systems also have

a low-water cutoff float switch for heater protection (see detail

drawings on Pages 44 and 45).

3. Drain

DRI-STEEM offers a variety of drain types. Standard water

systems have electric drains that open for drain or drain/flush

cycles. Some standard water systems automatically drain when

there has been no call for humidity for 72 hours (“end-of-

season draining”). DI/RO water systems do not cycle through

regular drain or drain/flush cycles because DI/RO water does not

cause scale buildup. For this reason, most DI/RO systems have

a manual drain, although an electric drain can be ordered for

automated draining at end of season or when the humidifier is

idle for a defined period of time. Some systems allow the user to

adjust drain duration and interval either through a keypad or by

changing switches on the control board.

4. Water skimmer/overflow port

The water skimmer reduces minerals in the evaporating chamber

of standard water systems. Skimming occurs each time the

humidifier fills. The skim time duration is user adjustable on all

DRI-STEEM humidifiers by either using the keypad or setting

a switch on the control board. In DI/RO water models, the

skimmer port serves as an overflow port.

5. Heating elements/heat exchanger

Electric systems: Low-watt-density INCOLOY-sheathed

heating elements ensure operation for many seasons. Constant

expansion and contraction of heating elements sheds mineral

scale. In the unlikely event of heater failure, heating elements can

be replaced easily.

Heat exchanger systems: The heat exchanger transfers energy

from boiler steam (STS), hot water (LTS) or gas-fired burners

(GTS) to water in the evaporating chamber, generating steam.

Figure 42-1:

VAPORSTREAM electric system

Figure 42-2:

VAPOR-LOGIC3 keypad

1 2 ... 41 42 43 44 45 46 47 48 49 50 51 ... 83 84

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