Watlow Power Series Rev H - Manual (Page 32)

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F e a t u r e s W a t l o w P o w e r S e r i e s
Single Phase Control
Apply power to the line and the electronics power
supply. The displays will read
[`___]
[load]
• Enter the Setup Page holding ± ¬ for 2 seconds.
• When the display reads [algo] ® to [`Off],
[`set]
[algo]
then cycle thru the list of choices using the У О
keys. Choose one*.
[cont] dc contactor
[`Off] non-operational
[`Ftb] fixed time base, zero cross
[Urtb] variable time base, zero cross
[PH2t] phase angle
Press ¬.
• At [algo], press Î to [Ctr1].
[`set]
[`set]
• **Press ® until [`nna] (default) is displayed.
[``In]
Using the У О keys, select input type: [`Off]
off, [`nna] current, [Uolt] voltage, or [`dig]
keyboard or comms.
• **Press ® until [nna_] or [Uol_] is displayed.
[Ctr1] [Ctr1]
Using the У О keys, set the low end of the input
scale to the desired input.
• **Press ® until [nna–] or [Uol–] is displayed.
[Ctr1] [Ctr1]
Using the У О keys, set the high end of the
input scale to the desired input.
• **Press ® until [IDLE] is displayed.
[lrn;U]
Using the У О keys, select [`req] , and the Power
Series will set the baseline voltage. Line voltage com-
pensation, under voltage alarm, and some internal op-
erating parameters are based on this.
*NOTE: One type of power control algorithm must be
selected for all zones.
**NOTE: Repeat this procedure for each zone in multizone
configurations.
Three Phase Control
Apply power to the line and the electronics power
supply. The displays will read
[`___]
[load]
• Enter the Setup Page holding ± ¬ for 2 seconds.
• When the display reads [````] ® to [````],
[`set]
[algo]
then cycle thru the list of choices using the Ó
key. Choose one.
[cont] dc contactor
[`Off] non-operational
[`Ftb] fixed time base, zero cross
[Urtb] variable time base, zero cross
[PH2t] phase angle
Press ¬.
• At [algo], press Î to [Ctr1].
[`set]
[`set]
• **Press ® until [````] (default) is displayed.
[``In]
Using the Ó key, select input type: [`Off] off,
[`nna] current, [Uolt] voltage, or [`dig] keyboard
or comms.
• Press ® until [nna_] or [Uol_] is displayed.
[Ctr1] [Ctr1]
Using the Ó or Î key, set the low end of the input
scale to the desired input.
• Press ® until [nna–] or [Uol–] is displayed.
[Ctr1] [Ctr1]
Using the Ó or Î key, set the high end of the input
scale to the desired input.
• Press ® until [IDLE] is displayed.
[lrn;U]
Using the У О keys, select [`req] , and the Power
Series will set the baseline voltage. Line voltage com-
pensation, under voltage alarm, and some internal op-
erating parameters are based on this.
• Press ® until [````] is displayed.
[type]
Select the load type for Zone 1. (Choice is depen-
dent on unit hardware.)
[2l`d] 3 ph, 2-leg delta
[2lod] 3 ph, 2-leg open delta
[2luy] 3 ph, 2-leg ungrounded wye
[none] unconfigured
[3lid] 3 ph, 3-leg, 6 SCR inside delta
[3l`d] 3 ph, 3-leg, 6 SCR delta
[3lgy] 3 ph, 3-leg, 6 SCR grounded wye
• Press ± to start the Power Series.
Fast Start Guide
Get Your Power Series Controlling Heat